1package eu.siacs.conversations.ui;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.app.Dialog;
   6import android.app.PendingIntent;
   7import android.content.ActivityNotFoundException;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.pm.PackageManager;
  12import android.databinding.DataBindingUtil;
  13import android.net.Uri;
  14import android.os.Build;
  15import android.os.Bundle;
  16import android.support.annotation.NonNull;
  17import android.support.annotation.Nullable;
  18import android.support.v4.app.Fragment;
  19import android.support.v4.app.FragmentManager;
  20import android.support.v4.app.FragmentTransaction;
  21import android.support.v4.view.PagerAdapter;
  22import android.support.v4.view.ViewPager;
  23import android.support.v4.widget.SwipeRefreshLayout;
  24import android.support.v7.app.ActionBar;
  25import android.support.v7.app.AlertDialog;
  26import android.support.v7.widget.Toolbar;
  27import android.text.Editable;
  28import android.text.Html;
  29import android.text.TextWatcher;
  30import android.text.method.LinkMovementMethod;
  31import android.util.Log;
  32import android.util.Pair;
  33import android.view.ContextMenu;
  34import android.view.ContextMenu.ContextMenuInfo;
  35import android.view.KeyEvent;
  36import android.view.Menu;
  37import android.view.MenuItem;
  38import android.view.View;
  39import android.view.ViewGroup;
  40import android.view.inputmethod.InputMethodManager;
  41import android.widget.AdapterView;
  42import android.widget.AdapterView.AdapterContextMenuInfo;
  43import android.widget.ArrayAdapter;
  44import android.widget.AutoCompleteTextView;
  45import android.widget.CheckBox;
  46import android.widget.EditText;
  47import android.widget.ListView;
  48import android.widget.Spinner;
  49import android.widget.TextView;
  50import android.widget.Toast;
  51
  52import java.util.ArrayList;
  53import java.util.Collections;
  54import java.util.List;
  55import java.util.concurrent.atomic.AtomicBoolean;
  56
  57import eu.siacs.conversations.Config;
  58import eu.siacs.conversations.R;
  59import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  60import eu.siacs.conversations.entities.Account;
  61import eu.siacs.conversations.entities.Bookmark;
  62import eu.siacs.conversations.entities.Contact;
  63import eu.siacs.conversations.entities.Conversation;
  64import eu.siacs.conversations.entities.ListItem;
  65import eu.siacs.conversations.entities.Presence;
  66import eu.siacs.conversations.services.QuickConversationsService;
  67import eu.siacs.conversations.services.XmppConnectionService;
  68import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  69import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  70import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  71import eu.siacs.conversations.ui.util.JidDialog;
  72import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  73import eu.siacs.conversations.ui.util.PendingItem;
  74import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  75import eu.siacs.conversations.ui.widget.SwipeRefreshListFragment;
  76import eu.siacs.conversations.utils.AccountUtils;
  77import eu.siacs.conversations.utils.XmppUri;
  78import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  79import eu.siacs.conversations.xmpp.XmppConnection;
  80import rocks.xmpp.addr.Jid;
  81
  82public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreatePrivateGroupChatDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener, SwipeRefreshLayout.OnRefreshListener, CreatePublicChannelDialog.CreatePublicChannelDialogListener {
  83
  84	public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  85
  86	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  87	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  88	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  89	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  90	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  91	public int conference_context_id;
  92	public int contact_context_id;
  93	private ListPagerAdapter mListPagerAdapter;
  94	private List<ListItem> contacts = new ArrayList<>();
  95	private ListItemAdapter mContactsAdapter;
  96	private List<ListItem> conferences = new ArrayList<>();
  97	private ListItemAdapter mConferenceAdapter;
  98	private List<String> mActivatedAccounts = new ArrayList<>();
  99	private EditText mSearchEditText;
 100	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 101	private boolean mHideOfflineContacts = false;
 102	private boolean createdByViewIntent = false;
 103	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 104
 105		@Override
 106		public boolean onMenuItemActionExpand(MenuItem item) {
 107			mSearchEditText.post(() -> {
 108				updateSearchViewHint();
 109				mSearchEditText.requestFocus();
 110				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 111					return;
 112				}
 113				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 114				if (imm != null) {
 115					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 116				}
 117			});
 118			if (binding.speedDial.isOpen()) {
 119				binding.speedDial.close();
 120			}
 121			return true;
 122		}
 123
 124		@Override
 125		public boolean onMenuItemActionCollapse(MenuItem item) {
 126			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 127			mSearchEditText.setText("");
 128			filter(null);
 129			return true;
 130		}
 131	};
 132	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 133
 134		@Override
 135		public void afterTextChanged(Editable editable) {
 136			filter(editable.toString());
 137		}
 138
 139		@Override
 140		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 141		}
 142
 143		@Override
 144		public void onTextChanged(CharSequence s, int start, int before, int count) {
 145		}
 146	};
 147	private MenuItem mMenuSearchView;
 148	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 149		@Override
 150		public void onTagClicked(String tag) {
 151			if (mMenuSearchView != null) {
 152				mMenuSearchView.expandActionView();
 153				mSearchEditText.setText("");
 154				mSearchEditText.append(tag);
 155				filter(tag);
 156			}
 157		}
 158	};
 159	private Pair<Integer, Intent> mPostponedActivityResult;
 160	private Toast mToast;
 161	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 162		@Override
 163		public void success(final Conversation conversation) {
 164			runOnUiThread(() -> {
 165				hideToast();
 166				switchToConversation(conversation);
 167			});
 168		}
 169
 170		@Override
 171		public void error(final int errorCode, Conversation object) {
 172			runOnUiThread(() -> replaceToast(getString(errorCode)));
 173		}
 174
 175		@Override
 176		public void userInputRequried(PendingIntent pi, Conversation object) {
 177
 178		}
 179	};
 180	private ActivityStartConversationBinding binding;
 181	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 182		@Override
 183		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 184			int pos = binding.startConversationViewPager.getCurrentItem();
 185			if (pos == 0) {
 186				if (contacts.size() == 1) {
 187					openConversationForContact((Contact) contacts.get(0));
 188					return true;
 189				} else if (contacts.size() == 0 && conferences.size() == 1) {
 190					openConversationsForBookmark((Bookmark) conferences.get(0));
 191					return true;
 192				}
 193			} else {
 194				if (conferences.size() == 1) {
 195					openConversationsForBookmark((Bookmark) conferences.get(0));
 196					return true;
 197				} else if (conferences.size() == 0 && contacts.size() == 1) {
 198					openConversationForContact((Contact) contacts.get(0));
 199					return true;
 200				}
 201			}
 202			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 203			mListPagerAdapter.requestFocus(pos);
 204			return true;
 205		}
 206	};
 207
 208	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 209		if (accounts.size() > 0) {
 210			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 211			adapter.setDropDownViewResource(R.layout.simple_list_item);
 212			spinner.setAdapter(adapter);
 213			spinner.setEnabled(true);
 214		} else {
 215			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 216					R.layout.simple_list_item,
 217					Collections.singletonList(context.getString(R.string.no_accounts)));
 218			adapter.setDropDownViewResource(R.layout.simple_list_item);
 219			spinner.setAdapter(adapter);
 220			spinner.setEnabled(false);
 221		}
 222	}
 223
 224	public static void launch(Context context) {
 225		final Intent intent = new Intent(context, StartConversationActivity.class);
 226		context.startActivity(intent);
 227	}
 228
 229	private static Intent createLauncherIntent(Context context) {
 230		final Intent intent = new Intent(context, StartConversationActivity.class);
 231		intent.setAction(Intent.ACTION_MAIN);
 232		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 233		return intent;
 234	}
 235
 236	private static boolean isViewIntent(final Intent i) {
 237		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 238	}
 239
 240	protected void hideToast() {
 241		if (mToast != null) {
 242			mToast.cancel();
 243		}
 244	}
 245
 246	protected void replaceToast(String msg) {
 247		hideToast();
 248		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 249		mToast.show();
 250	}
 251
 252	@Override
 253	public void onRosterUpdate() {
 254		this.refreshUi();
 255	}
 256
 257	@Override
 258	public void onCreate(Bundle savedInstanceState) {
 259		super.onCreate(savedInstanceState);
 260		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 261		Toolbar toolbar = (Toolbar) binding.toolbar;
 262		setSupportActionBar(toolbar);
 263		configureActionBar(getSupportActionBar());
 264
 265		binding.speedDial.inflate(R.menu.start_conversation_fab_submenu);
 266
 267		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 268		binding.startConversationViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 269			@Override
 270			public void onPageSelected(int position) {
 271				updateSearchViewHint();
 272			}
 273		});
 274		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 275		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 276
 277		mConferenceAdapter = new ListItemAdapter(this, conferences);
 278		mContactsAdapter = new ListItemAdapter(this, contacts);
 279		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 280
 281		final SharedPreferences preferences = getPreferences();
 282
 283		this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 284
 285		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 286
 287		final Intent intent;
 288		if (savedInstanceState == null) {
 289			intent = getIntent();
 290		} else {
 291			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 292			final String search = savedInstanceState.getString("search");
 293			if (search != null) {
 294				mInitialSearchValue.push(search);
 295			}
 296			intent = savedInstanceState.getParcelable("intent");
 297		}
 298
 299		if (isViewIntent(intent)) {
 300			pendingViewIntent.push(intent);
 301			createdByViewIntent = true;
 302			setIntent(createLauncherIntent(this));
 303		} else if (startSearching && mInitialSearchValue.peek() == null) {
 304			mInitialSearchValue.push("");
 305		}
 306		mRequestedContactsPermission.set(savedInstanceState != null && savedInstanceState.getBoolean("requested_contacts_permission",false));
 307		binding.speedDial.setOnActionSelectedListener(actionItem -> {
 308			final String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 309			final String prefilled;
 310			if (isValidJid(searchString)) {
 311				prefilled = Jid.ofEscaped(searchString).toEscapedString();
 312			} else {
 313				prefilled = null;
 314			}
 315			switch (actionItem.getId()) {
 316				case R.id.discover_public_channels:
 317					startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 318					break;
 319				case R.id.join_public_channel:
 320					showJoinConferenceDialog(prefilled);
 321					break;
 322				case R.id.create_private_group_chat:
 323					showCreatePrivateGroupChatDialog();
 324					break;
 325				case R.id.create_public_channel:
 326					showPublicChannelDialog();
 327					break;
 328				case R.id.create_contact:
 329					showCreateContactDialog(prefilled,null);
 330					break;
 331			}
 332			return false;
 333		});
 334	}
 335
 336	public static boolean isValidJid(String input) {
 337		try {
 338			Jid jid = Jid.ofEscaped(input);
 339			return !jid.isDomainJid();
 340		} catch (IllegalArgumentException e) {
 341			return false;
 342		}
 343	}
 344
 345	@Override
 346	public void onSaveInstanceState(Bundle savedInstanceState) {
 347		Intent pendingIntent = pendingViewIntent.peek();
 348		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 349		savedInstanceState.putBoolean("requested_contacts_permission",mRequestedContactsPermission.get());
 350		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 351		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 352			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 353		}
 354		super.onSaveInstanceState(savedInstanceState);
 355	}
 356
 357	@Override
 358	public void onStart() {
 359		super.onStart();
 360		final int theme = findTheme();
 361		if (this.mTheme != theme) {
 362			recreate();
 363		} else {
 364			if (pendingViewIntent.peek() == null) {
 365				askForContactsPermissions();
 366			}
 367		}
 368		mConferenceAdapter.refreshSettings();
 369		mContactsAdapter.refreshSettings();
 370	}
 371
 372	@Override
 373	public void onNewIntent(final Intent intent) {
 374		if (xmppConnectionServiceBound) {
 375			processViewIntent(intent);
 376		} else {
 377			pendingViewIntent.push(intent);
 378		}
 379		setIntent(createLauncherIntent(this));
 380	}
 381
 382	protected void openConversationForContact(int position) {
 383		Contact contact = (Contact) contacts.get(position);
 384		openConversationForContact(contact);
 385	}
 386
 387	protected void openConversationForContact(Contact contact) {
 388		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 389		SoftKeyboardUtils.hideSoftKeyboard(this);
 390		switchToConversation(conversation);
 391	}
 392
 393	protected void openConversationForBookmark(int position) {
 394		Bookmark bookmark = (Bookmark) conferences.get(position);
 395		openConversationsForBookmark(bookmark);
 396	}
 397
 398	protected void shareBookmarkUri() {
 399		shareBookmarkUri(conference_context_id);
 400	}
 401
 402	protected void shareBookmarkUri(int position) {
 403		Bookmark bookmark = (Bookmark) conferences.get(position);
 404		Intent shareIntent = new Intent();
 405		shareIntent.setAction(Intent.ACTION_SEND);
 406		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 407		shareIntent.setType("text/plain");
 408		try {
 409			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 410		} catch (ActivityNotFoundException e) {
 411			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 412		}
 413	}
 414
 415	protected void openConversationsForBookmark(Bookmark bookmark) {
 416		final Jid jid = bookmark.getFullJid();
 417		if (jid == null) {
 418			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 419			return;
 420		}
 421		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 422		bookmark.setConversation(conversation);
 423		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 424			bookmark.setAutojoin(true);
 425			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 426		}
 427		SoftKeyboardUtils.hideSoftKeyboard(this);
 428		switchToConversation(conversation);
 429	}
 430
 431	protected void openDetailsForContact() {
 432		int position = contact_context_id;
 433		Contact contact = (Contact) contacts.get(position);
 434		switchToContactDetails(contact);
 435	}
 436
 437	protected void showQrForContact() {
 438		int position = contact_context_id;
 439		Contact contact = (Contact) contacts.get(position);
 440		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 441	}
 442
 443	protected void toggleContactBlock() {
 444		final int position = contact_context_id;
 445		BlockContactDialog.show(this, (Contact) contacts.get(position));
 446	}
 447
 448	protected void deleteContact() {
 449		final int position = contact_context_id;
 450		final Contact contact = (Contact) contacts.get(position);
 451		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 452		builder.setNegativeButton(R.string.cancel, null);
 453		builder.setTitle(R.string.action_delete_contact);
 454		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 455		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 456			xmppConnectionService.deleteContactOnServer(contact);
 457			filter(mSearchEditText.getText().toString());
 458		});
 459		builder.create().show();
 460	}
 461
 462	protected void deleteConference() {
 463		int position = conference_context_id;
 464		final Bookmark bookmark = (Bookmark) conferences.get(position);
 465
 466		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 467		builder.setNegativeButton(R.string.cancel, null);
 468		builder.setTitle(R.string.delete_bookmark);
 469		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 470		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 471			bookmark.setConversation(null);
 472			Account account = bookmark.getAccount();
 473			account.getBookmarks().remove(bookmark);
 474			xmppConnectionService.pushBookmarks(account);
 475			filter(mSearchEditText.getText().toString());
 476		});
 477		builder.create().show();
 478
 479	}
 480
 481	@SuppressLint("InflateParams")
 482	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 483		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 484		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 485		if (prev != null) {
 486			ft.remove(prev);
 487		}
 488		ft.addToBackStack(null);
 489		EnterJidDialog dialog = EnterJidDialog.newInstance(
 490				mActivatedAccounts,
 491				getString(R.string.add_contact),
 492				getString(R.string.add),
 493				prefilledJid,
 494				null,
 495				invite == null || !invite.hasFingerprints()
 496		);
 497
 498		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 499			if (!xmppConnectionServiceBound) {
 500				return false;
 501			}
 502
 503			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 504			if (account == null) {
 505				return true;
 506			}
 507
 508			final Contact contact = account.getRoster().getContact(contactJid);
 509			if (invite != null && invite.getName() != null) {
 510				contact.setServerName(invite.getName());
 511			}
 512			if (contact.isSelf()) {
 513				switchToConversation(contact);
 514				return true;
 515			} else if (contact.showInRoster()) {
 516				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 517			} else {
 518				xmppConnectionService.createContact(contact, true);
 519				if (invite != null && invite.hasFingerprints()) {
 520					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 521				}
 522				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 523				return true;
 524			}
 525		});
 526		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 527	}
 528
 529	@SuppressLint("InflateParams")
 530	protected void showJoinConferenceDialog(final String prefilledJid) {
 531		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 532		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 533		if (prev != null) {
 534			ft.remove(prev);
 535		}
 536		ft.addToBackStack(null);
 537		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 538		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 539	}
 540
 541	private void showCreatePrivateGroupChatDialog() {
 542		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 543		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 544		if (prev != null) {
 545			ft.remove(prev);
 546		}
 547		ft.addToBackStack(null);
 548		CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 549		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 550	}
 551
 552	private void showPublicChannelDialog() {
 553		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 554		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 555		if (prev != null) {
 556			ft.remove(prev);
 557		}
 558		ft.addToBackStack(null);
 559		CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 560		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 561	}
 562
 563	public static Account getSelectedAccount(Context context, Spinner spinner) {
 564		if (spinner == null || !spinner.isEnabled()) {
 565			return null;
 566		}
 567		if (context instanceof XmppActivity) {
 568			Jid jid;
 569			try {
 570				if (Config.DOMAIN_LOCK != null) {
 571					jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 572				} else {
 573					jid = Jid.of((String) spinner.getSelectedItem());
 574				}
 575			} catch (final IllegalArgumentException e) {
 576				return null;
 577			}
 578			final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 579			if (service == null) {
 580				return null;
 581			}
 582			return service.findAccountByJid(jid);
 583		} else {
 584			return null;
 585		}
 586	}
 587
 588	protected void switchToConversation(Contact contact) {
 589		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 590		switchToConversation(conversation);
 591	}
 592
 593	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 594		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 595		switchToConversationDoNotAppend(conversation, body);
 596	}
 597
 598	@Override
 599	public void invalidateOptionsMenu() {
 600		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 601		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 602		if (isExpanded) {
 603			mInitialSearchValue.push(text);
 604			oneShotKeyboardSuppress.set(true);
 605		}
 606		super.invalidateOptionsMenu();
 607	}
 608
 609	private void updateSearchViewHint() {
 610		if (binding == null || mSearchEditText == null) {
 611			return;
 612		}
 613		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 614			mSearchEditText.setHint(R.string.search_contacts);
 615		} else {
 616			mSearchEditText.setHint(R.string.search_bookmarks);
 617		}
 618	}
 619
 620	@Override
 621	public boolean onCreateOptionsMenu(Menu menu) {
 622		getMenuInflater().inflate(R.menu.start_conversation, menu);
 623		AccountUtils.showHideMenuItems(menu);
 624		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 625		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 626		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 627		if (QuickConversationsService.isQuicksy()) {
 628			menuHideOffline.setVisible(false);
 629		} else {
 630			menuHideOffline.setVisible(true);
 631			menuHideOffline.setChecked(this.mHideOfflineContacts);
 632		}
 633		mMenuSearchView = menu.findItem(R.id.action_search);
 634		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 635		View mSearchView = mMenuSearchView.getActionView();
 636		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 637		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 638		mSearchEditText.setOnEditorActionListener(mSearchDone);
 639		String initialSearchValue = mInitialSearchValue.pop();
 640		if (initialSearchValue != null) {
 641			mMenuSearchView.expandActionView();
 642			mSearchEditText.append(initialSearchValue);
 643			filter(initialSearchValue);
 644		}
 645		updateSearchViewHint();
 646		return super.onCreateOptionsMenu(menu);
 647	}
 648
 649	@Override
 650	public boolean onOptionsItemSelected(MenuItem item) {
 651		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 652			return false;
 653		}
 654		switch (item.getItemId()) {
 655			case android.R.id.home:
 656				navigateBack();
 657				return true;
 658			case R.id.action_scan_qr_code:
 659				UriHandlerActivity.scan(this);
 660				return true;
 661			case R.id.action_hide_offline:
 662				mHideOfflineContacts = !item.isChecked();
 663				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 664				if (mSearchEditText != null) {
 665					filter(mSearchEditText.getText().toString());
 666				}
 667				invalidateOptionsMenu();
 668		}
 669		return super.onOptionsItemSelected(item);
 670	}
 671
 672	@Override
 673	public boolean onKeyUp(int keyCode, KeyEvent event) {
 674		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 675			openSearch();
 676			return true;
 677		}
 678		int c = event.getUnicodeChar();
 679		if (c > 32) {
 680			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 681				openSearch();
 682				mSearchEditText.append(Character.toString((char) c));
 683				return true;
 684			}
 685		}
 686		return super.onKeyUp(keyCode, event);
 687	}
 688
 689	private void openSearch() {
 690		if (mMenuSearchView != null) {
 691			mMenuSearchView.expandActionView();
 692		}
 693	}
 694
 695	@Override
 696	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 697		if (resultCode == RESULT_OK) {
 698			if (xmppConnectionServiceBound) {
 699				this.mPostponedActivityResult = null;
 700				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 701					Account account = extractAccount(intent);
 702					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 703					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 704					if (account != null && jids.size() > 0) {
 705						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 706							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 707							mToast.show();
 708						}
 709					}
 710				}
 711			} else {
 712				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 713			}
 714		}
 715		super.onActivityResult(requestCode, requestCode, intent);
 716	}
 717
 718	private void askForContactsPermissions() {
 719		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 720			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 721				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 722					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 723						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 724						builder.setTitle(R.string.sync_with_contacts);
 725						if (QuickConversationsService.isQuicksy()) {
 726							builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy)));
 727                        } else {
 728                            builder.setMessage(R.string.sync_with_contacts_long);
 729                        }
 730						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 731						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 732						builder.setCancelable(false);
 733						AlertDialog dialog = builder.create();
 734						dialog.setCanceledOnTouchOutside(false);
 735						dialog.setOnShowListener(dialogInterface -> {
 736							final TextView tv =  dialog.findViewById(android.R.id.message);
 737							if (tv != null) {
 738								tv.setMovementMethod(LinkMovementMethod.getInstance());
 739							}
 740						});
 741						dialog.show();
 742					} else {
 743						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 744					}
 745				}
 746			}
 747		}
 748	}
 749
 750	@Override
 751	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 752		if (grantResults.length > 0)
 753			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 754				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 755				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 756					if (QuickConversationsService.isQuicksy()) {
 757						setRefreshing(true);
 758					}
 759					xmppConnectionService.loadPhoneContacts();
 760					xmppConnectionService.startContactObserver();
 761				}
 762			}
 763	}
 764
 765	private void configureHomeButton() {
 766		final ActionBar actionBar = getSupportActionBar();
 767		if (actionBar == null) {
 768			return;
 769		}
 770		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 771		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 772		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 773
 774	}
 775
 776	@Override
 777	protected void onBackendConnected() {
 778
 779		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 780			xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 781		}
 782		if (mPostponedActivityResult != null) {
 783			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 784			this.mPostponedActivityResult = null;
 785		}
 786		this.mActivatedAccounts.clear();
 787		this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
 788		configureHomeButton();
 789		Intent intent = pendingViewIntent.pop();
 790		if (intent != null && processViewIntent(intent)) {
 791			filter(null);
 792		} else {
 793			if (mSearchEditText != null) {
 794				filter(mSearchEditText.getText().toString());
 795			} else {
 796				filter(null);
 797			}
 798		}
 799		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 800		if (fragment instanceof OnBackendConnected) {
 801			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 802			((OnBackendConnected) fragment).onBackendConnected();
 803		}
 804		if (QuickConversationsService.isQuicksy()) {
 805			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 806		}
 807	}
 808
 809	protected boolean processViewIntent(@NonNull Intent intent) {
 810		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 811		if (inviteUri != null) {
 812			Invite invite = new Invite(inviteUri);
 813			if (invite.isJidValid()) {
 814				return invite.invite();
 815			}
 816		}
 817		final String action = intent.getAction();
 818		if (action == null) {
 819			return false;
 820		}
 821		switch (action) {
 822			case Intent.ACTION_SENDTO:
 823			case Intent.ACTION_VIEW:
 824				Uri uri = intent.getData();
 825				if (uri != null) {
 826					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 827					invite.account = intent.getStringExtra("account");
 828					return invite.invite();
 829				} else {
 830					return false;
 831				}
 832		}
 833		return false;
 834	}
 835
 836	private boolean handleJid(Invite invite) {
 837		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 838		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 839			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 840			if (muc != null) {
 841				switchToConversationDoNotAppend(muc, invite.getBody());
 842				return true;
 843			} else {
 844				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 845				return false;
 846			}
 847		} else if (contacts.size() == 0) {
 848			showCreateContactDialog(invite.getJid().toString(), invite);
 849			return false;
 850		} else if (contacts.size() == 1) {
 851			Contact contact = contacts.get(0);
 852			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 853				displayVerificationWarningDialog(contact, invite);
 854			} else {
 855				if (invite.hasFingerprints()) {
 856					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 857						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 858					}
 859				}
 860				if (invite.account != null) {
 861					xmppConnectionService.getShortcutService().report(contact);
 862				}
 863				switchToConversationDoNotAppend(contact, invite.getBody());
 864			}
 865			return true;
 866		} else {
 867			if (mMenuSearchView != null) {
 868				mMenuSearchView.expandActionView();
 869				mSearchEditText.setText("");
 870				mSearchEditText.append(invite.getJid().toString());
 871				filter(invite.getJid().toString());
 872			} else {
 873				mInitialSearchValue.push(invite.getJid().toString());
 874			}
 875			return true;
 876		}
 877	}
 878
 879	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 880		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 881		builder.setTitle(R.string.verify_omemo_keys);
 882		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 883		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 884		TextView warning = view.findViewById(R.id.warning);
 885		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 886		builder.setView(view);
 887		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 888			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 889				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 890			}
 891			switchToConversationDoNotAppend(contact, invite.getBody());
 892		});
 893		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 894		AlertDialog dialog = builder.create();
 895		dialog.setCanceledOnTouchOutside(false);
 896		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 897		dialog.show();
 898	}
 899
 900	protected void filter(String needle) {
 901		if (xmppConnectionServiceBound) {
 902			this.filterContacts(needle);
 903			this.filterConferences(needle);
 904		}
 905	}
 906
 907	protected void filterContacts(String needle) {
 908		this.contacts.clear();
 909		final List<Account> accounts = xmppConnectionService.getAccounts();
 910		for (Account account : accounts) {
 911			if (account.getStatus() != Account.State.DISABLED) {
 912				for (Contact contact : account.getRoster().getContacts()) {
 913					Presence.Status s = contact.getShownStatus();
 914					if (contact.showInContactList() && contact.match(this, needle)
 915							&& (!this.mHideOfflineContacts
 916							|| (needle != null && !needle.trim().isEmpty())
 917							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 918						this.contacts.add(contact);
 919					}
 920				}
 921			}
 922		}
 923		Collections.sort(this.contacts);
 924		mContactsAdapter.notifyDataSetChanged();
 925	}
 926
 927	protected void filterConferences(String needle) {
 928		this.conferences.clear();
 929		for (Account account : xmppConnectionService.getAccounts()) {
 930			if (account.getStatus() != Account.State.DISABLED) {
 931				for (Bookmark bookmark : account.getBookmarks()) {
 932					if (bookmark.match(this, needle)) {
 933						this.conferences.add(bookmark);
 934					}
 935				}
 936			}
 937		}
 938		Collections.sort(this.conferences);
 939		mConferenceAdapter.notifyDataSetChanged();
 940	}
 941
 942	@Override
 943	public void OnUpdateBlocklist(final Status status) {
 944		refreshUi();
 945	}
 946
 947	@Override
 948	protected void refreshUiReal() {
 949		if (mSearchEditText != null) {
 950			filter(mSearchEditText.getText().toString());
 951		}
 952		configureHomeButton();
 953		if (QuickConversationsService.isQuicksy()) {
 954			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 955		}
 956	}
 957
 958	@Override
 959	public void onBackPressed() {
 960		if (binding.speedDial.isOpen()) {
 961			binding.speedDial.close();
 962			return;
 963		}
 964		navigateBack();
 965	}
 966
 967	private void navigateBack() {
 968		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 969			Intent intent = new Intent(this, ConversationsActivity.class);
 970			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 971			startActivity(intent);
 972		}
 973		finish();
 974	}
 975
 976	@Override
 977	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 978		if (!xmppConnectionServiceBound) {
 979			return;
 980		}
 981		final Account account = getSelectedAccount(this, spinner);
 982		if (account == null) {
 983			return;
 984		}
 985		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 986		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 987		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 988		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 989		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 990		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 991		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 992	}
 993
 994	@Override
 995	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 996		if (!xmppConnectionServiceBound) {
 997			return;
 998		}
 999		final Account account = getSelectedAccount(this, spinner);
1000		if (account == null) {
1001			return;
1002		}
1003		final Jid conferenceJid;
1004		try {
1005			conferenceJid = Jid.of(jid.getText().toString());
1006		} catch (final IllegalArgumentException e) {
1007			jid.setError(getString(R.string.invalid_jid));
1008			return;
1009		}
1010
1011		if (isBookmarkChecked) {
1012			if (account.hasBookmarkFor(conferenceJid)) {
1013				jid.setError(getString(R.string.bookmark_already_exists));
1014			} else {
1015				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
1016				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1017				String nick = conferenceJid.getResource();
1018				if (nick != null && !nick.isEmpty()) {
1019					bookmark.setNick(nick);
1020				}
1021				account.getBookmarks().add(bookmark);
1022				xmppConnectionService.pushBookmarks(account);
1023				final Conversation conversation = xmppConnectionService
1024						.findOrCreateConversation(account, conferenceJid, true, true, true);
1025				bookmark.setConversation(conversation);
1026				dialog.dismiss();
1027				switchToConversation(conversation);
1028			}
1029		} else {
1030			final Conversation conversation = xmppConnectionService
1031					.findOrCreateConversation(account, conferenceJid, true, true, true);
1032			dialog.dismiss();
1033			switchToConversation(conversation);
1034		}
1035	}
1036
1037	@Override
1038	public void onConversationUpdate() {
1039		refreshUi();
1040	}
1041
1042	@Override
1043	public void onRefresh() {
1044		Log.d(Config.LOGTAG,"user requested to refresh");
1045		if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1046			xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1047		}
1048	}
1049
1050
1051	private void setRefreshing(boolean refreshing) {
1052		MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1053		if (fragment != null) {
1054			fragment.setRefreshing(refreshing);
1055		}
1056	}
1057
1058	@Override
1059	public void onCreatePublicChannel(Account account, String name, Jid address) {
1060		mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1061		mToast.show();
1062		xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1063			@Override
1064			public void success(Conversation conversation) {
1065				runOnUiThread(() -> {
1066					hideToast();
1067					switchToConversation(conversation);
1068				});
1069
1070			}
1071
1072			@Override
1073			public void error(int errorCode, Conversation conversation) {
1074				runOnUiThread(() -> {
1075					replaceToast(getString(errorCode));
1076					switchToConversation(conversation);
1077				});
1078			}
1079
1080			@Override
1081			public void userInputRequried(PendingIntent pi, Conversation object) {
1082
1083			}
1084		});
1085	}
1086
1087	public static class MyListFragment extends SwipeRefreshListFragment {
1088		private AdapterView.OnItemClickListener mOnItemClickListener;
1089		private int mResContextMenu;
1090
1091		public void setContextMenu(final int res) {
1092			this.mResContextMenu = res;
1093		}
1094
1095		@Override
1096		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1097			if (mOnItemClickListener != null) {
1098				mOnItemClickListener.onItemClick(l, v, position, id);
1099			}
1100		}
1101
1102		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1103			this.mOnItemClickListener = l;
1104		}
1105
1106		@Override
1107		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1108			super.onViewCreated(view, savedInstanceState);
1109			registerForContextMenu(getListView());
1110			getListView().setFastScrollEnabled(true);
1111			getListView().setDivider(null);
1112			getListView().setDividerHeight(0);
1113		}
1114
1115		@Override
1116		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1117			super.onCreateContextMenu(menu, v, menuInfo);
1118			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1119			if (activity == null) {
1120				return;
1121			}
1122			activity.getMenuInflater().inflate(mResContextMenu, menu);
1123			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1124			if (mResContextMenu == R.menu.conference_context) {
1125				activity.conference_context_id = acmi.position;
1126			} else if (mResContextMenu == R.menu.contact_context) {
1127				activity.contact_context_id = acmi.position;
1128				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1129				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1130				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1131				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1132				if (contact.isSelf()) {
1133					showContactDetailsItem.setVisible(false);
1134				}
1135				deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1136				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1137				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1138					if (contact.isBlocked()) {
1139						blockUnblockItem.setTitle(R.string.unblock_contact);
1140					} else {
1141						blockUnblockItem.setTitle(R.string.block_contact);
1142					}
1143				} else {
1144					blockUnblockItem.setVisible(false);
1145				}
1146			}
1147		}
1148
1149		@Override
1150		public boolean onContextItemSelected(final MenuItem item) {
1151			StartConversationActivity activity = (StartConversationActivity) getActivity();
1152			if (activity == null) {
1153				return true;
1154			}
1155			switch (item.getItemId()) {
1156				case R.id.context_contact_details:
1157					activity.openDetailsForContact();
1158					break;
1159				case R.id.context_show_qr:
1160					activity.showQrForContact();
1161					break;
1162				case R.id.context_contact_block_unblock:
1163					activity.toggleContactBlock();
1164					break;
1165				case R.id.context_delete_contact:
1166					activity.deleteContact();
1167					break;
1168				case R.id.context_share_uri:
1169					activity.shareBookmarkUri();
1170					break;
1171				case R.id.context_delete_conference:
1172					activity.deleteConference();
1173			}
1174			return true;
1175		}
1176	}
1177
1178	public class ListPagerAdapter extends PagerAdapter {
1179		private final FragmentManager fragmentManager;
1180		private final MyListFragment[] fragments;
1181
1182		ListPagerAdapter(FragmentManager fm) {
1183			fragmentManager = fm;
1184			fragments = new MyListFragment[2];
1185		}
1186
1187		public void requestFocus(int pos) {
1188			if (fragments.length > pos) {
1189				fragments[pos].getListView().requestFocus();
1190			}
1191		}
1192
1193		@Override
1194		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1195			FragmentTransaction trans = fragmentManager.beginTransaction();
1196			trans.remove(fragments[position]);
1197			trans.commit();
1198			fragments[position] = null;
1199		}
1200
1201		@NonNull
1202		@Override
1203		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1204			final Fragment fragment = getItem(position);
1205			final FragmentTransaction trans = fragmentManager.beginTransaction();
1206			trans.add(container.getId(), fragment, "fragment:" + position);
1207			try {
1208				trans.commit();
1209			} catch (IllegalStateException e) {
1210				//ignore
1211			}
1212			return fragment;
1213		}
1214
1215		@Override
1216		public int getCount() {
1217			return fragments.length;
1218		}
1219
1220		@Override
1221		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1222			return ((Fragment) fragment).getView() == view;
1223		}
1224
1225		@Nullable
1226		@Override
1227		public CharSequence getPageTitle(int position) {
1228			switch (position) {
1229				case 0:
1230					return getResources().getString(R.string.contacts);
1231				case 1:
1232					return getResources().getString(R.string.bookmarks);
1233				default:
1234					return super.getPageTitle(position);
1235			}
1236		}
1237
1238		Fragment getItem(int position) {
1239			if (fragments[position] == null) {
1240				final MyListFragment listFragment = new MyListFragment();
1241				if (position == 1) {
1242					listFragment.setListAdapter(mConferenceAdapter);
1243					listFragment.setContextMenu(R.menu.conference_context);
1244					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1245				} else {
1246					listFragment.setListAdapter(mContactsAdapter);
1247					listFragment.setContextMenu(R.menu.contact_context);
1248					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1249					if (QuickConversationsService.isQuicksy()) {
1250						listFragment.setOnRefreshListener(StartConversationActivity.this);
1251					}
1252				}
1253				fragments[position] = listFragment;
1254			}
1255			return fragments[position];
1256		}
1257	}
1258
1259	public static void addInviteUri(Intent to, Intent from) {
1260		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1261			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1262		}
1263	}
1264
1265	private class Invite extends XmppUri {
1266
1267		public String account;
1268
1269		public Invite(final Uri uri) {
1270			super(uri);
1271		}
1272
1273		public Invite(final String uri) {
1274			super(uri);
1275		}
1276
1277		public Invite(Uri uri, boolean safeSource) {
1278			super(uri, safeSource);
1279		}
1280
1281		boolean invite() {
1282			if (!isJidValid()) {
1283				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1284				return false;
1285			}
1286			if (getJid() != null) {
1287				return handleJid(this);
1288			}
1289			return false;
1290		}
1291	}
1292}